138436239136

Names of 138436239136

• Cardinal: 138436239136 can be written as One hundred thirty-eight billion, four hundred thirty-six million, two hundred thirty-nine thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.38436239136 × 10¹¹

Factors of 138436239136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 769

Divisors of 138436239136

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 53 104 106 169 208 212 338 416 424 676 689 701 848 1352 1378 1402 1696 2197 2704 2756 2804 2809 4394 5408 5512 5608 5618 8788 8957 9113 11024 11216 11236 17576 17914 18226 22048 22432 22472 35152 35828 36452 36517 37153 44944 70304 71656 72904 73034 74306 89888 116441 118469 143312 145808 146068 148612 232882 236938 286624 291616 292136 297224 465764 473876 474721 482989 584272 594448 931528 947752 949442 965978 1168544 1188896 1540097 1863056 1895504 1898884 1931956 1969109 3080194 3726112 3791008 3797768 3863912 3938218 6160388 6171373 6278857 7595536 7727824 7876436 12320776 12342746 12557714 15191072 15455648 15752872 24641552 24685492 25115428 25598417 31505744 49283104 49370984 50230856 51196834 63011488 81625141 98741968 100461712 102393668 163250282 197483936 200923424 204787336 326500564 332779421 409574672 653001128 665558842 819149344 1306002256 1331117684 2612004512 2662235368 4326132473 5324470736 8652264946 10648941472 17304529892 34609059784 69218119568 138436239136
• Sum of all divisors σ(n): 301353310440
• Sum of proper divisors (its aliquot sum) s(n): 162917071304
• 138436239136 is an abundant number, because the sum of its proper divisors (162917071304) is greater than itself. Its abundance is 24480832168

Bases of 138436239136

• Binary: 10000000111011011100010101111100100000₂
• Hexadecimal: 0x203B715F20
• Base-36: 1RLHD1R4

Squares and roots of 138436239136

• 138436239136 squared (138436239136²) is 19164592306119778026496
• 138436239136 cubed (138436239136³) is 2653074083433943307135238400147456
• The square root of 138436239136 is 372070.2072673919
• The cube root of 138436239136 is 5173.0887682563

Scales and comparisons

• 138,436,239,136 seconds is equal to 4,401 years, 43 weeks, 6 days, 6 hours, 52 minutes, 16 seconds.
• To count from 1 to 138,436,239,136 would take you about eight thousand, eight hundred three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138436239136 cubic inches would be around 431.1 feet tall.

Recreational maths with 138436239136

• 138436239136 backwards is 631932634831
• The number of decimal digits it has is: 12
• The sum of 138436239136's digits is 49
• More coming soon!